Knock KnockWho's there?Acid!Acid who?Acid down and be quiet!Knock KnockWho's there?Ada!Ada who?Ada burger for lunch!Knock KnockWho's there?Adair!Adair who?Adair once but I'm bald now!Knock KnockWho's there?Adam!Adam who?Adam if I do and adam if I don't!Knock KnockWho's there?Adelia!Adelia who?Adelia the cards and we'll play snap!